<!DOCTYPE html>
<html lang="en">

<head>
    <title> iframe sameOrigin</title>
</head>

<body>
    <h3>iframe sameOrigin</h3>
</body>
<script type="text/javascript">
    window.Save = (val) => {
        console.log('val', val);
        console.log('ceshiceshi')
        return true;
    }
</script>

</html>